831 Area Code

State: California

Major City: Sacramento

  • Admission to Statehood:
    September 9, 1850 (31st State)
  • Constitution:
    California's Constitution , 31st State
  • Nickname:
    Golden State
  • Population (2013):
    38,332,521; Rank: 1 of 50 | Population Quick Facts

Area:

  • Area: 163,707 sq.mi (423,999 sq.km.), 3rd
  • Land: 155,973 sq.mi. (403,969 sq.km.), 3rd
  • Water: 7,734 sq.mi. (20,031 sq.km.), 6th
  • Coastline: 840 mi. (1,352 km.), 3rd
  • Shoreline: 3,427 mi. (5,515 km.), 5th

Area Code 831

Map:

Area Code Prefix Usage Primary City Carrier Introduced
831 (831) 203- Wireless Salinas American Messaging Services 08/14/1998
831 (831) 204- Landline Monterey Ymax Communications Corp. 04/02/2008
831 (831) 205- Landline Hollister Teleport Communications Group - San Francisco 10/08/2009
831 (831) 206- Wireless Salinas Cellco Partnership DBA Verizon Wireless 10/13/1999
831 (831) 207- Wireless Hollister Sprint Spectrum L.p. 09/12/2001
831 (831) 210- Wireless Monterey T-mobile Usa 01/16/2002
831 (831) 212- Wireless Santa Cruz Sprint Spectrum L.p. 01/14/2000
831 (831) 214- Wireless Salinas New Cingular Wireless PCS 11/20/1998
831 (831) 216- Landline Felton Teleport Communications Group - San Francisco 10/13/1999
831 (831) 217- Landline Boulder Creek Teleport Communications Group - San Francisco 10/13/1999
831 (831) 218- Landline Ben Lomond Teleport Communications Group - San Francisco 10/13/1999
831 (831) 219- Landline Aptos Teleport Communications Group - San Francisco 10/13/1999
831 (831) 221- Landline San Ardo O1 Communications 03/03/2001
831 (831) 222- Landline Felton U.s. Telepacific Corp. 08/20/2000
831 (831) 223- Landline Soledad Pac - West Telecomm 12/05/2001
831 (831) 224- Wireless Monterey T-mobile Usa 12/14/2001
831 (831) 227- Landline Santa Cruz Cellco Partnership DBA Verizon Wireless 03/03/2001
831 (831) 229- Wireless Salinas New Cingular Wireless PCS 10/13/1999
831 (831) 232- Landline Salinas O1 Communications 06/30/2001
831 (831) 233- Landline Salinas Level 3 Communications 06/30/2001
831 (831) 234- Wireless Santa Cruz Cellco Partnership DBA Verizon Wireless 10/13/1999
831 (831) 235- Wireless Salinas Cellco Partnership DBA Verizon Wireless 10/13/1999
831 (831) 236- Wireless Monterey Cellco Partnership DBA Verizon Wireless 10/13/1999
831 (831) 237- Landline Soledad O1 Communications 08/20/2000
831 (831) 238- Wireless Carmel New Cingular Wireless PCS 10/31/2000
831 (831) 239- Wireless Santa Cruz New Cingular Wireless PCS 01/14/2000
831 (831) 240- Landline Salinas T-mobile Usa 06/30/2001
831 (831) 241- Landline Salinas AT&T; Local 06/30/2001
831 (831) 242- Landline Monterey Pacific Bell 08/14/1998
831 (831) 244- Landline Big Sur O1 Communications 08/20/2000
831 (831) 245- Landline Hollister O1 Communications 08/20/2000
831 (831) 246- Wireless Ben Lomond Cellco Partnership DBA Verizon Wireless 01/14/2000
831 (831) 247- Wireless Santa Cruz Cellco Partnership DBA Verizon Wireless 06/30/2001
831 (831) 249- Landline Big Sur Sbc Internet Services 12/14/2009
831 (831) 250- Landline Carmel O1 Communications 06/30/2001
831 (831) 251- Wireless Aptos New Cingular Wireless PCS 07/22/1999
831 (831) 252- Wireless Ben Lomond New Cingular Wireless PCS 10/13/1999
831 (831) 254- Wireless Watsonville New Cingular Wireless PCS 10/13/1999
831 (831) 255- Landline Santa Cruz North County Communications Corp. 01/14/2000
831 (831) 261- Wireless Salinas New Cingular Wireless PCS 10/13/1999
831 (831) 262- Wireless Salinas Cellco Partnership DBA Verizon Wireless 06/13/2000
831 (831) 263- Landline King City O1 Communications 08/20/2000
831 (831) 264- Landline Salinas O1 Communications 08/20/2000
831 (831) 265- Landline Hollister Sbc Internet Services 04/02/2008
831 (831) 267- Landline Big Sur Mpower Networks Services Inc. 12/14/2006
831 (831) 269- Landline Salinas Teleport Communications Group - San Francisco 06/21/2007
831 (831) 272- Landline Salinas Cf Communications DBA Telekenex 10/12/2007
831 (831) 274- Landline Watsonville Broadwing Communications 03/03/2001
831 (831) 275- Landline Monterey Bandwidth.com Clec 10/23/2008
831 (831) 277- Wireless Monterey Cellco Partnership DBA Verizon Wireless 01/14/2000
Area Code: 831
Prefix: (831) 203-
Usage: Wireless
Primary City: Salinas
Carrier: American Messaging Services
Introduced: 08/14/1998
Area Code: 831
Prefix: (831) 204-
Usage: Landline
Primary City: Monterey
Carrier: Ymax Communications Corp.
Introduced: 04/02/2008
Area Code: 831
Prefix: (831) 205-
Usage: Landline
Primary City: Hollister
Carrier: Teleport Communications Group - San Francisco
Introduced: 10/08/2009
Area Code: 831
Prefix: (831) 206-
Usage: Wireless
Primary City: Salinas
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 207-
Usage: Wireless
Primary City: Hollister
Carrier: Sprint Spectrum L.p.
Introduced: 09/12/2001
Area Code: 831
Prefix: (831) 210-
Usage: Wireless
Primary City: Monterey
Carrier: T-mobile Usa
Introduced: 01/16/2002
Area Code: 831
Prefix: (831) 212-
Usage: Wireless
Primary City: Santa Cruz
Carrier: Sprint Spectrum L.p.
Introduced: 01/14/2000
Area Code: 831
Prefix: (831) 214-
Usage: Wireless
Primary City: Salinas
Carrier: New Cingular Wireless PCS
Introduced: 11/20/1998
Area Code: 831
Prefix: (831) 216-
Usage: Landline
Primary City: Felton
Carrier: Teleport Communications Group - San Francisco
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 217-
Usage: Landline
Primary City: Boulder Creek
Carrier: Teleport Communications Group - San Francisco
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 218-
Usage: Landline
Primary City: Ben Lomond
Carrier: Teleport Communications Group - San Francisco
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 219-
Usage: Landline
Primary City: Aptos
Carrier: Teleport Communications Group - San Francisco
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 221-
Usage: Landline
Primary City: San Ardo
Carrier: O1 Communications
Introduced: 03/03/2001
Area Code: 831
Prefix: (831) 222-
Usage: Landline
Primary City: Felton
Carrier: U.s. Telepacific Corp.
Introduced: 08/20/2000
Area Code: 831
Prefix: (831) 223-
Usage: Landline
Primary City: Soledad
Carrier: Pac - West Telecomm
Introduced: 12/05/2001
Area Code: 831
Prefix: (831) 224-
Usage: Wireless
Primary City: Monterey
Carrier: T-mobile Usa
Introduced: 12/14/2001
Area Code: 831
Prefix: (831) 227-
Usage: Landline
Primary City: Santa Cruz
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 03/03/2001
Area Code: 831
Prefix: (831) 229-
Usage: Wireless
Primary City: Salinas
Carrier: New Cingular Wireless PCS
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 232-
Usage: Landline
Primary City: Salinas
Carrier: O1 Communications
Introduced: 06/30/2001
Area Code: 831
Prefix: (831) 233-
Usage: Landline
Primary City: Salinas
Carrier: Level 3 Communications
Introduced: 06/30/2001
Area Code: 831
Prefix: (831) 234-
Usage: Wireless
Primary City: Santa Cruz
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 235-
Usage: Wireless
Primary City: Salinas
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 236-
Usage: Wireless
Primary City: Monterey
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 237-
Usage: Landline
Primary City: Soledad
Carrier: O1 Communications
Introduced: 08/20/2000
Area Code: 831
Prefix: (831) 238-
Usage: Wireless
Primary City: Carmel
Carrier: New Cingular Wireless PCS
Introduced: 10/31/2000
Area Code: 831
Prefix: (831) 239-
Usage: Wireless
Primary City: Santa Cruz
Carrier: New Cingular Wireless PCS
Introduced: 01/14/2000
Area Code: 831
Prefix: (831) 240-
Usage: Landline
Primary City: Salinas
Carrier: T-mobile Usa
Introduced: 06/30/2001
Area Code: 831
Prefix: (831) 241-
Usage: Landline
Primary City: Salinas
Carrier: AT&T; Local
Introduced: 06/30/2001
Area Code: 831
Prefix: (831) 242-
Usage: Landline
Primary City: Monterey
Carrier: Pacific Bell
Introduced: 08/14/1998
Area Code: 831
Prefix: (831) 244-
Usage: Landline
Primary City: Big Sur
Carrier: O1 Communications
Introduced: 08/20/2000
Area Code: 831
Prefix: (831) 245-
Usage: Landline
Primary City: Hollister
Carrier: O1 Communications
Introduced: 08/20/2000
Area Code: 831
Prefix: (831) 246-
Usage: Wireless
Primary City: Ben Lomond
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 01/14/2000
Area Code: 831
Prefix: (831) 247-
Usage: Wireless
Primary City: Santa Cruz
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 06/30/2001
Area Code: 831
Prefix: (831) 249-
Usage: Landline
Primary City: Big Sur
Carrier: Sbc Internet Services
Introduced: 12/14/2009
Area Code: 831
Prefix: (831) 250-
Usage: Landline
Primary City: Carmel
Carrier: O1 Communications
Introduced: 06/30/2001
Area Code: 831
Prefix: (831) 251-
Usage: Wireless
Primary City: Aptos
Carrier: New Cingular Wireless PCS
Introduced: 07/22/1999
Area Code: 831
Prefix: (831) 252-
Usage: Wireless
Primary City: Ben Lomond
Carrier: New Cingular Wireless PCS
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 254-
Usage: Wireless
Primary City: Watsonville
Carrier: New Cingular Wireless PCS
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 255-
Usage: Landline
Primary City: Santa Cruz
Carrier: North County Communications Corp.
Introduced: 01/14/2000
Area Code: 831
Prefix: (831) 261-
Usage: Wireless
Primary City: Salinas
Carrier: New Cingular Wireless PCS
Introduced: 10/13/1999
Area Code: 831
Prefix: (831) 262-
Usage: Wireless
Primary City: Salinas
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 06/13/2000
Area Code: 831
Prefix: (831) 263-
Usage: Landline
Primary City: King City
Carrier: O1 Communications
Introduced: 08/20/2000
Area Code: 831
Prefix: (831) 264-
Usage: Landline
Primary City: Salinas
Carrier: O1 Communications
Introduced: 08/20/2000
Area Code: 831
Prefix: (831) 265-
Usage: Landline
Primary City: Hollister
Carrier: Sbc Internet Services
Introduced: 04/02/2008
Area Code: 831
Prefix: (831) 267-
Usage: Landline
Primary City: Big Sur
Carrier: Mpower Networks Services Inc.
Introduced: 12/14/2006
Area Code: 831
Prefix: (831) 269-
Usage: Landline
Primary City: Salinas
Carrier: Teleport Communications Group - San Francisco
Introduced: 06/21/2007
Area Code: 831
Prefix: (831) 272-
Usage: Landline
Primary City: Salinas
Carrier: Cf Communications DBA Telekenex
Introduced: 10/12/2007
Area Code: 831
Prefix: (831) 274-
Usage: Landline
Primary City: Watsonville
Carrier: Broadwing Communications
Introduced: 03/03/2001
Area Code: 831
Prefix: (831) 275-
Usage: Landline
Primary City: Monterey
Carrier: Bandwidth.com Clec
Introduced: 10/23/2008
Area Code: 831
Prefix: (831) 277-
Usage: Wireless
Primary City: Monterey
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 01/14/2000